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HDDS-8903. Add validation for ozone.om.snapshot.db.max.open.files. - #8787
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Change-Id: Ibea7a7da9a170b9498f56bd62c3f37b354d81a05
ayushtkn
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Jul 11, 2025
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Change-Id: Icc34ef94de9aff4c3406a2f88d8735c799a2bdc8
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| OZONE_OM_SNAPSHOT_DB_MAX_OPEN_FILES, | ||
| OZONE_OM_SNAPSHOT_DB_MAX_OPEN_FILES_DEFAULT | ||
| ); | ||
| Preconditions.checkArgument(this.maxOpenSstFilesInSnapshotDb > 0, |
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@jojochuang even 0 & -1 should be allowed. Rocksdb allows these values.
-1: Use unlimited number of open files (not recommended unless you manage file descriptors externally).
0: RocksDB will open file descriptors on demand, and cache only a small number (like table readers) — suitable for low file descriptor environments.
Greater than 0: RocksDB will keep up to this number of files open at once. The typical value is in the hundreds or thousands, depending on your OS limits.
ayushtkn
commented
Jul 18, 2025
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@jojochuang can you give a check to this: #8787 (comment) |
smengcl
commented
Jul 18, 2025
Contributor
Thanks @jojochuang for the original patch.
Thanks @swamirishi , @ayushtkn . Filed HDDS-13473 |
errose28 added a commit
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Jul 22, 2025
* master: (90 commits) HDDS-13308. OM should expose Ratis config for increasing pending write limits (apache#8668) HDDS-8903. Add validation for ozone.om.snapshot.db.max.open.files. (apache#8787) HDDS-13429. Custom metadata headers with uppercase characters are not supported (apache#8805) HDDS-13448. DeleteBlocksCommandHandler thread stop for normal exception (apache#8816) HDDS-13346. Intermittent failure in TestCloseContainer#testContainerChecksumForClosedContainer (apache#8771) HDDS-13125. Add metrics for monitoring the SST file pruning threads. (apache#8764) HDDS-13367. [Docs] User doc for container balancer. (apache#8726) HDDS-13200. OM RocksDB Grafana Dashbroad shows no data on all panels (apache#8577) HDDS-13428. Recon - Retrigger of build whole NSSummary tree task submission inconsistency. (apache#8793) HDDS-13378. [Docs] Add a Production page under Getting Started (apache#8734) HDDS-13403. [Docs] Make feature proposal process more visible. (apache#8758) HDDS-11797. Remove cyclic dependency between SCMSafeModeManager and SafeModeRules (apache#8782) HDDS-13213. KeyDeletingService should limit task size by both key count and serialized size. (apache#8757) HDDS-13387. OMSnapshotCreateRequest logs invalid warning about DefaultReplicationConfig (apache#8760) HDDS-13405. ozone admin container create runs forever without kinit (apache#8765) HDDS-11514. Set optimal default values for delete configurations based on live cluster testing. (apache#8766) HDDS-13376. Add server-side limit note to ozone sh snapshot diff --page-size option (apache#8791) HDDS-11679. Support multiple S3Gs in MiniOzoneCluster (apache#8733) HDDS-13424. Use lsof instead of fuser to find if file is used in AbstractTestChunkManager (apache#8790) HDDS-13427. Bump awssdk to 2.31.78 (apache#8792) ...
jojochuang added a commit
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Jul 31, 2025
…pache#8787) Generated-by: Google Gemini 2.5 Pro + Gemini Cli
Gargi-jais11 pushed a commit
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Aug 19, 2025
…pache#8787) Generated-by: Google Gemini 2.5 Pro + Gemini Cli
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What changes were proposed in this pull request?
HDDS-8903. Add validation for ozone.om.snapshot.db.max.open.files.
Please describe your PR in detail:
What is the link to the Apache JIRA
https://issues.apache.org/jira/browse/HDDS-8903
How was this patch tested?
mvn test -pl hadoop-ozone/ozone-manager -Dtest=TestOmSnapshotManager